Question about Acer Computers & Internet
I need to replace the cmos battery for my Acer 5520-5912 and it appears to be soldered in. how can it be replaced?
Posted by Anonymous on
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Posted on Jan 02, 2017
Hi I have found you a service manual that should tell ya all. http://rapidshare.com/files/48828906/S.G_AS3010_5010.zip The BIOS in most lappy's are usually soldered I expect this to B the same. (I DL the manual to test link ..)
Posted on Aug 21, 2007
Do u know to use Soldering iron...if u know..remove the proccessor from socket then de solder the BIOS batterry and short that two terminals on mother board without connecting the power adapter and battery...do it and re solder the bios battery..this procedure will help u to recover from ur problem..if u dont know then do it with any technician.
Posted on Dec 10, 2007
SOURCE: Bios Password Reset
The only idea I have is to find and disconnect the CMOS back-up battery after removing main battery and unplugging the AC adapter. That SHOULD clear the bios completely, wiping out the password, the date, and everything else.
I know this works on desktops, and most laptops, but no promises, and the cmos battery may not be easy to access.
You should probably leave the battery unhooked for at least 1-2 minutes to be sure it clears.
Hope this is some assistance!
Posted on Jan 18, 2008
You will have to turn it upside down and start removing compartments untill you find it. (As you did not give me the model of the computer I can't tell you exactly where it is)
The CMOS battery is located on the motherboard and it looks like a large watch battery.
Details on changing it is here: http://www.smartcomputing.com/editorial/article.asp?article=articles/2004/w1510/32w10/32w10.asp&articleid=24031
Have a great Day!
Posted on Jan 28, 2009
you have got an older model, try this:
follow the instructions:
you will need:
a slim x-screw-driver
a sharp knife with a slim blade and
a cup or else for the screws, don't loose them!
a new c-mos bios battery model: CR-1220 (exchange it while your in there!)
you find c-mos battery and hdd under the keyboard!
- turn off the power, remove accu and charger cable, for static electricity is friendly fire
to your laptop now !
- open your screen to max. fold (angle of 180 degrees)
- look for removable plastic part near to left holder of screen
- carefully remove it
- also remove plastic panel right to it in the section between display holders
metal should be visible now
- carefully! remove keyboard, starting at the left side, continuing topside
as you won't be able to fully remove it, simply turn it over
- unscrew any screws holding the metal plate, remove it
- now you see: left the CPU plus cooler, top right middle the hdd still in an adapter attached
to the mainboard, at it's lower right the C-MOS battery (g
- turn loos these screws
- carefully remove the frame/adaptor holding the hdd
- unscrew again the adaptor
- seperate hd fram adaptor
... and gotcha!
be careful to get a proper notebook hd (samsung or such)
exchange CMOS-battery by chance
reattach new hd to frame, again carefully!
to reassamble: rewind the procedures
put everything back in place
replug, pray and turn on the lappie.
wish you luck.....
Posted on Jun 13, 2009
Testimonial: "Thanks for all of the information. The keyboard was destroyd during the removal process so we bought a new one instead."
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